On 5 August 2026, the Ministry of Health & Family Welfare deployed a National Joint Outbreak Response Team (NJORT) to Gujarat and Rajasthan to strengthen the response to an ongoing Chandipura Virus Disease (CHPV) outbreak, with the NCDC Public Health Emergency Operations Centre activated to support it. For a CDS/OTA aspirant this topic delivers two things at once: a named virus with examinable biology, and a clear view of how India's disease-surveillance system actually works.
The news in one frame
The essentials:
- What: a National Joint Outbreak Response Team (NJORT) deployed to Gujarat and Rajasthan for the Chandipura Virus Disease outbreak.
- Composition: experts from the National Centre for Disease Control (NCDC), the Indian Council of Medical Research (ICMR) and the Department of Animal Husbandry and Dairying (DAHD) — a deliberately One Health mix.
- Its tasks: outbreak investigation, epidemiological assessment, clinical management, laboratory coordination, vector surveillance and public-health measures, supplementing the two State governments.
- Surveillance backbone: the Integrated Disease Surveillance Programme (IDSP), coordinated by NCDC with State Surveillance Units.
- Activated: the NCDC Public Health Emergency Operations Centre (PHEOC).
- Research aim: to understand the virus's transmission dynamics, clinical spectrum, epidemiology and possible treatment approaches.
The virus itself
The biology, which is where the MCQs live:
- Chandipura virus (CHPV) belongs to the genus Vesiculovirus, family Rhabdoviridae — the family that also contains the rabies virus. Rhabdoviruses are characteristically bullet-shaped and enveloped, with a single-stranded, negative-sense RNA genome.
- It was first isolated in 1965 from Chandipura village, Nagpur district, Maharashtra, during investigation of a dengue- and chikungunya-like febrile illness — hence the name.
- Vector: principally the phlebotomine sandfly (Phlebotomus species; also isolated from Sergentomyia). Sandflies breed in cracks in mud walls, soil crevices and organic debris — which is why outbreaks cluster in rural areas in the pre-monsoon and monsoon months.
- Disease: it causes Acute Encephalitis Syndrome (AES) — sudden high fever, vomiting, altered consciousness, convulsions and rapid neurological deterioration, chiefly in children under 15. Progression can be alarmingly fast, and outbreaks have recorded a very high case-fatality rate.
- Treatment: there is no specific antiviral and no licensed vaccine. Management is supportive — control of seizures and fever, fluid and airway management, intensive care.
- Prevention therefore means vector control: insecticide spraying of dwellings, plastering wall cracks, improved sanitation, bed nets and — critically — early referral of a child with fever and altered consciousness.
This applied biology is exactly what the CDS/OTA notes on general science build.
Vector-to-disease matching
A near-guaranteed exam set — learn the whole table, not just this one:
| Vector | Diseases |
|---|---|
| Sandfly (Phlebotomus) | Chandipura virus, kala-azar (visceral leishmaniasis) |
| Anopheles mosquito | Malaria |
| Culex mosquito | Japanese Encephalitis, lymphatic filariasis (elephantiasis) |
| Aedes aegypti mosquito | Dengue, chikungunya, Zika, yellow fever |
| Tsetse fly | Sleeping sickness (African trypanosomiasis) |
| Rat flea | Plague |
| Housefly | Typhoid, cholera, diarrhoeal disease (mechanical carrier) |
| Tick | Kyasanur Forest Disease, Crimean-Congo haemorrhagic fever |
Acute Encephalitis Syndrome is a clinical syndrome, not one disease — its causes include Japanese Encephalitis (the largest known viral cause in India, with a vaccine available), Chandipura virus, Nipah, enteroviruses, scrub typhus and bacterial or fungal infection. Distinguishing them requires laboratory confirmation, which is why "laboratory coordination" appears in the NJORT's mandate.
These themes recur in the CDS/OTA daily current affairs.
How India detects and responds to an outbreak
The institutional chain, worth knowing as a system:
- IDSP — the Integrated Disease Surveillance Programme, launched in 2004, collects weekly reports of outbreak-prone diseases from district and state units, now through the IHIP (Integrated Health Information Platform) portal. Its purpose is early detection of unusual clustering.
- NCDC — the National Centre for Disease Control, Delhi (successor to the National Institute of Communicable Diseases), is the nodal outbreak-investigation body; it runs the PHEOC and the Epidemic Intelligence Service training.
- ICMR — the Indian Council of Medical Research (founded 1911 as the Indian Research Fund Association), the apex biomedical research body, with the National Institute of Virology (NIV), Pune as the reference laboratory for viral outbreaks.
- DAHD — Animal Husbandry and Dairying, present because many outbreaks are zoonotic or involve animal reservoirs — the One Health principle that human, animal and environmental health form one system.
- National One Health Mission and the National Institute of One Health, Nagpur institutionalise this.
- Legal backing: the Epidemic Diseases Act, 1897 and the Disaster Management Act, 2005 provide emergency powers; National Health Mission funds state capacity.
The revision hook: Chandipura virus = genus Vesiculovirus, family Rhabdoviridae (like rabies), bullet-shaped enveloped single-stranded negative-sense RNA; first isolated 1965 at Chandipura village, Nagpur district, Maharashtra; vector = phlebotomine sandfly (Phlebotomus/Sergentomyia), which also spreads kala-azar; causes Acute Encephalitis Syndrome mainly in under-15s, high case fatality, no specific antiviral or licensed vaccine; response = NJORT (NCDC + ICMR + DAHD) to Gujarat and Rajasthan, IDSP surveillance (2004, via IHIP), NCDC PHEOC activated; NIV Pune is the reference virology lab; ICMR founded 1911; One Health links human, animal and environmental health.
Why it matters
For the essay/interview and bigger picture:
- Children bear the burden: AES outbreaks strike the youngest hardest, and speed of referral is often the difference between survival and death.
- Surveillance is the real defence: where no vaccine exists, the system that spots an unusual cluster early is the public-health response.
- One Health in practice: including animal-husbandry experts in a human-outbreak team reflects the lesson that most emerging infections cross the species line.
Exam relevance in one paragraph
For CDS/OTA GK, retain: the Chandipura virus belongs to the genus Vesiculovirus in the family Rhabdoviridae, the same family as rabies, is bullet-shaped and enveloped with a single-stranded negative-sense RNA genome, and was first isolated in 1965 from Chandipura village in Nagpur district, Maharashtra; it is transmitted chiefly by phlebotomine sandflies — the same vector group that carries kala-azar — and causes Acute Encephalitis Syndrome overwhelmingly in children under fifteen, with a high case-fatality rate and no specific antiviral or licensed vaccine, so control depends on vector management, early referral and supportive care; on 5 August 2026 the Health Ministry deployed a National Joint Outbreak Response Team of NCDC, ICMR and Department of Animal Husbandry and Dairying experts to Gujarat and Rajasthan, activating the NCDC Public Health Emergency Operations Centre, working over the Integrated Disease Surveillance Programme launched in 2004 and now run through the Integrated Health Information Platform; the National Institute of Virology, Pune is India's reference laboratory for viral outbreaks, ICMR was founded in 1911, and the inclusion of animal-health experts reflects the One Health approach, with the Epidemic Diseases Act, 1897 and the Disaster Management Act, 2005 providing emergency powers. For the essay, frame it as surveillance is the vaccine we already have.
🎯 Practice MCQs
Q1. The Chandipura virus belongs to the family: (a) Rhabdoviridae (b) Flaviviridae (c) Coronaviridae (d) Retroviridae → (a) — Rhabdoviridae, like rabies.
Q2. Its principal vector is the: (a) sandfly (b) Anopheles mosquito (c) tsetse fly (d) rat flea → (a) — the phlebotomine sandfly.
Q3. The virus was first isolated in: (a) 1965 (b) 2004 (c) 1918 (d) 1985 → (a) — 1965, in Maharashtra.
Q4. It is named after a village in which district? (a) Nagpur (b) Pune (c) Surat (d) Jaipur → (a) — Nagpur, Maharashtra.
Q5. Chandipura virus primarily causes: (a) Acute Encephalitis Syndrome (b) hepatitis (c) pneumonia (d) diarrhoea → (a) — AES, mainly in children.
Q6. The age group most affected is: (a) children under 15 (b) adults over 60 (c) pregnant women only (d) adolescents only → (a) — young children.
Q7. A licensed vaccine against Chandipura virus: (a) does not exist (b) is given at birth (c) is part of UIP (d) is given yearly → (a) — none exists; care is supportive.
Q8. Sandflies also transmit which other disease in India? (a) kala-azar (b) malaria (c) dengue (d) plague → (a) — visceral leishmaniasis.
Q9. Japanese Encephalitis is transmitted by which mosquito? (a) Culex (b) Aedes (c) Anopheles (d) Mansonia → (a) — Culex.
Q10. Dengue, chikungunya and Zika share which vector? (a) Aedes aegypti (b) Culex (c) Anopheles (d) sandfly → (a) — Aedes aegypti.
Q11. India's nodal outbreak-investigation body is the: (a) NCDC (b) NABARD (c) FSSAI (d) CDSCO → (a) — the National Centre for Disease Control.
Q12. The Integrated Disease Surveillance Programme was launched in: (a) 2004 (b) 1997 (c) 2014 (d) 2020 → (a) — 2004.
Q13. India's reference laboratory for viral outbreaks is: (a) NIV, Pune (b) IVRI, Izatnagar (c) CCMB, Hyderabad (d) NIN, Hyderabad → (a) — the National Institute of Virology.
Q14. ICMR was founded in: (a) 1911 (b) 1947 (c) 1969 (d) 1929 → (a) — 1911, as the Indian Research Fund Association.
Q15. "One Health" refers to the integration of: (a) human, animal and environmental health (b) hospitals and clinics (c) yoga and medicine (d) urban and rural care → (a) — the three-way linkage.
📋 How this gets asked (PYQ pattern)
Vector-borne disease is a reliable CDS/OTA science set. The reliable framings are vector-to-disease matching (sandfly, Culex, Aedes, Anopheles), virus family placement, which diseases have vaccines and which do not, and institution identification (NCDC, ICMR, NIV Pune). A common trap gives Chandipura a mosquito vector or confuses Culex (JE) with Aedes (dengue). The fresh 2026 hook is the NJORT deployment — ideal for "which vector / which family / which body" items. We reference the pattern, not any exact past question.
Preparing for CDS or OTA? Diseases, vectors and public-health institutions are high-yield GK topics and frequent SSB discussion ground. Follow our daily CDS/OTA current affairs and train with serving-officer faculty in the upcoming Cavalier courses in Delhi.
✍️ Written by Aditya Tiwari — Biology, science & current-affairs faculty at The Cavalier. Reviewed by the Cavalier Faculty Desk. The Cavalier, founded by ex-Army officers, has trained NDA/CDS/SSB aspirants since 2001 (Facebook · YouTube).
Source: PIB / Ministry of Health & Family Welfare, 5 August 2026. Facts cross-verified with independent sources.